Commitbd5ad01

Jim Puls

committed

Better explain different ways of getting images.

1 parent5d5869d commitbd5ad01Copy full SHA for bd5ad01

File tree

+10

-2

lines changed

+10

-2

lines changed

Lines changed: 10 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -58,8 +58,16 @@ - (IBAction)sliderValueChanged:(UISlider *)sender;`
`58`	`58`
`59`	`59`	`- (NSArray *)flagImages;`
`60`	`60`	`{`
`61`		`-// return @[[UIImage imageNamed:@"USA"], [UIImage imageNamed:@"Canada"], [UIImage imageNamed:@"UK"], [UIImage imageNamed:@"Austrlia"]];`
`62`		`-// return @[[CGTAImagesCatalog usaImage], [CGTAImagesCatalog canadaImage], [CGTAImagesCatalog ukImage], [CGTAImagesCatalog australiaImage]];`
	`61`	`+NSArray *allFlagImages =nil;`
	`62`	`+`
	`63`	`+// Initial version: full of strings that you have to type correctly!`
	`64`	+// Misspell any of these and your app will crash on trying to add `nil` to an array.
	`65`	`+ allFlagImages = @[[UIImageimageNamed:@"USA"], [UIImageimageNamed:@"Canada"], [UIImageimageNamed:@"UK"], [UIImageimageNamed:@"Australia"]];`
	`66`	`+`
	`67`	`+// New version: get the properly compiler-checked spelling from the image catalog.`
	`68`	`+ allFlagImages = @[[CGTAImagesCatalogusaImage], [CGTAImagesCatalogcanadaImage], [CGTAImagesCatalogukImage], [CGTAImagesCatalogaustraliaImage]];`
	`69`	`+`
	`70`	`+// But really, why not use a little runtime hackery because we can?`
`63`	`71`	`return [CGTAImagesCatalogallImages];`
`64`	`72`	`}`
`65`	`73`

Comments

(0)